Rolf Kümmerling

Title: Rolf Kümmerling: Innovator in Seamless Pipe Production

Introduction

Rolf Kümmerling is a notable inventor based in Duisburg, Germany, recognized for his contributions to the field of seamless pipe production. With a total of eight patents to his name, Kümmerling has developed innovative methods that enhance the manufacturing process of seamless pipes, particularly focusing on wall thickening techniques.

Latest Patents

Kümmerling's latest patents include a method for producing hot-rolled seamless pipes with thickened ends. This method allows for the creation of wall thickening at various positions along the length of the pipe using a multiple-stand mandrel bar rolling mill. The process minimizes deviations from an ideal circular cross-section, ensuring high-quality production. Another significant patent involves a rolling rod designed as an inner tool for producing seamless hollow bodies. This rolling rod features a nitrided surface layer and is made from heat-resistant steel, facilitating the stretch-forming procedure in a multiple-stand rolling mill.

Career Highlights

Throughout his career, Kümmerling has worked with prominent companies in the industry, including Vallourec Deutschland GmbH and V&M Deutschland GmbH. His experience in these organizations has contributed to his expertise in seamless pipe manufacturing and innovation.

Collaborations

Kümmerling has collaborated with notable colleagues such as Winfried Braun and Christoph Prasser, further enhancing his work in the field of seamless pipe production.

Conclusion

Rolf Kümmerling's innovative approaches to seamless pipe manufacturing have significantly impacted the industry. His patents reflect a commitment to improving production techniques and ensuring high-quality outcomes in metal hollow body manufacturing.